ch33 carboxylic acids

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9 Terms

1
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carboxylic acid → acyl chloride + H3PO4 (3)

nucleophilic substitution, PCl3, heat

2
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carboxylic acid → acyl chloride + POCl3 (3)

nucleophilic substitution, PCl5, room temp

3
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carboxylic acid → acyl chloride + SO2 + HCl (2)

nucleophilic substitution, SOCl2

4
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methanoic acid → CO2 + H2O (3) (K2)

oxidation, acidified K2Cr2O7, orange to green colour change

5
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methanoic acid → CO2 + H2O (3) (K)

oxidation, acidified KMnO4, purple to colourless colour change

6
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methanoic acid → CO2 + H2O (3) (feh)

oxidation, fehling’s solution, red ppt forms

7
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methanoic acid → CO2 + H2O (3) (tol)

oxidation, tollens reagent, silver mirror forms

8
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ethandoic acid → 2CO2 + 2H2O (2)

oxidation, warm acidified KMnO4

9
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methylbenzene → benzoic acid (3)

oxidation, hot alkaline KMnO4, followed by addition of dilute HCl to acidify product